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Long Weld Neck Flanges

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MOQ : 100 Units

Long Weld Neck Flanges Specification

Purity
High-quality alloy composition conforming to standards

Feature
High Strength, Corrosion Resistance, Durable, Leak-proof Connection

Dimension (L*W*H)
As per standard or customer specification

Application
Petrochemical, Oil & Gas, Power Plant, Pressure Vessel, Pipe Connection

Grade
ASTM A105, ASTM A182 F304/F316, ASTM A350 LF2

Product Type
Long Weld Neck Flange (LWN)

Material
Carbon Steel (A105), Stainless Steel (304, 304L, 316, 316L), Alloy Steel

Standard
ANSI B16.5, ASME B16.5, DIN, BS, JIS, EN 1092-1, GOST

Shape
Round

Surface
Polished / Black Painted / Anti-rust Coated

Connection
Welded

Technics
Forged

Pressure
Class 150, 300, 600, 900, 1500, 2500

Size
1/2 to 48 (DN15 to DN1200)

Color
Natural Metal Finish / Silver / Black

Inspection
100% Dimension, PMI, Hydrostatic, and UT tested

Neck Length
Extended neck according to design or customer specification

Finish
Smooth, Machined

Marking
Size, pressure class, material grade, heat number, and manufacturer's logo

Standards Compliance
NACE MR0175, ISO, CE certification available

Hardness
Follows material grade requirements

End Type
Butt-Welded

Weight
Varies with size and thickness

Face Type
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF)

Temperature Range
Suitable for low to high temperature applications

Packaging
Export standard wooden cases, pallets, or as per customer request

Long Weld Neck Flanges Trade Information

Minimum Order Quantity
100 Units

Payment Terms
Cash in Advance (CID)

Supply Ability
5000 Units Per Month

Delivery Time
7 Days

Main Domestic Market
All India

About Long Weld Neck Flanges

Discover the spectacular Long Weld Neck Flanges, crafted with exceptional attention to quality and detail. These customizable flanges come with an extended neck, tailored to your design or specification, ensuring a wondrous fit for every application. Enjoy unbeatable prices and generous discounts on bulk purchases-perfect for manufacturers and suppliers alike. Engineered for high strength, durability, and superior corrosion resistance, our flanges conform to NACE MR0175, ISO, and CE certifications. Choose from premium finishes and multiple material grades, all rigorously tested for maximum reliability and leak-proof performance.

Commercial Applications and Usage Details

Long Weld Neck Flanges are a staple in commercial industries, including petrochemicals, oil and gas, power generation, pressure vessels, and pipe connections. Ideal for both high and low temperature environments, these flanges provide dependable, leak-proof performance in critical systems. Their forged construction and high strength make them suitable for industrial plants requiring highly durable and corrosion-resistant connections. With multiple pressure classes and sizes, they accommodate a wide spectrum of heavy-duty and routine usage types.

Sample Policy, Payment Terms, and Certifications

Experience transparent business practices with our easy sample policy, enabling you to inspect products before purchase at an unbeatable sale price. Payments can be seamlessly processed through multiple secure methods, ensuring efficiency for all shipped goods. Rely on our robust goods transport network for safe delivery in export-standard wooden cases or custom packaging. Each flange is supplied with ISO, NACE MR0175, and CE certifications, verifying compliance with global standards and boosting your project's credentials.

FAQ's of Long Weld Neck Flanges:

Q: How can Long Weld Neck Flanges be customized to suit different industrial requirements?

A: Long Weld Neck Flanges can be tailored in neck length, dimensions, face types, surface treatments, and materials according to your specific design or operational requirements.

Q: What makes these flanges suitable for both low and high temperature applications?

A: Their forged construction, high-quality alloy composition, and compliance with industry standards ensure resistance to temperature variations, making them reliable for a wide temperature range.

Q: Where are Long Weld Neck Flanges commonly used?

A: They are predominantly used in petrochemical plants, oil refineries, power plants, pressure vessels, and industrial pipelines demanding high-strength, durable, and leak-proof connections.

Q: When should I opt for a Raised Face (RF), Ring Type Joint (RTJ), or Flat Face (FF) flange?

A: The choice depends on your pressure requirements and sealing needs; RF suits most conditions, RTJ is ideal for high-pressure/temperature, while FF is preferred in low-pressure, non-critical systems.

Q: What is the inspection process for shipped Long Weld Neck Flanges?

A: Each flange undergoes 100% dimension check, Positive Material Identification (PMI), hydrostatic and ultrasonic testing, and hardness verification as per relevant standards before goods transport.

Q: How does your sample policy enhance buyer confidence?

A: Our sample policy allows buyers to examine product quality and compliance before placing large orders, ensuring satisfaction and trust in the purchased flanges.

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More Products in Industrial Flanges Category

Industrial Carbon Steel Welding Neck Flange

Minimum Order Quantity : 100 Pieces

Connection : Male

Feature : Carbon steel flanges are, forged or platebased fittings, used to connect pipes, valves, and pumps in highpressure, hightemperature piping systems (up to 425 C). Renowned for durability, strength, and costeffectiveness, common grades include ASTM A105 (ambient/high temp) and A350 LF2 (low temp). Types include weld neck, slipon, and blind.

Color : BLACK

Surface : Painted, Black

Application : Carbon steel flanges are, forged or platebased fittings, used to connect pipes, valves, and pumps in highpressure, hightemperature piping systems (up to 425 C). Renowned for durability, strength, and costeffectiveness, common grades include ASTM A105 (ambient/high temp) and A350 LF2 (low temp). Types include weld neck, slipon, and blind.

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